Ore-feeder.



PATENTED AUG. 13, 1907',

' G. B. SHIPLEY.

I oEE FEEDER.

APPLIOATiON FILED DEG. 4. 1905.

2 SHEETS-SHEET 1.

WITNESSES:

No. 863,229. PATENTED AUG. 13, 1907. G. B. SHIPLEY. ORE FEEDER.

APPLIUATIOH FILED 1220.4. 1905.

2 SHEETS-SHEET '2.

WITNESSES UNITED s'ra'rns PATENT ora ion.

GRANT B. SHIPLEY, OF MILWAUKEE, WISCONSIN, ASSIGNOR TO ALLIS-OHALMERSCOMPANY, OF MILWAUKEE, WISCONSIN, A CORPORATION OF NEW JERSEY.

ORE-FEEDER.

Specification a Letters Patent.

Patented Aug. 13, 1907.

Application filed December 4,1905. Serial N0- 290,088.

To all whom it may concern:

Be it known that I, GRANT B. SHIPLEY, a citizen of the United States,residing at Milwaukee, in the county of Milwaukee and State ofWisconsin, have in vented certain new and useful Improvements in Ore-Feeders, of which the following is a specification.

This invention relates to certain improvements in driving mechanism, andmore particularly to posi tively regulating the speed of a driven memberin relation to its driver, with few elements, reliable in operation.

V This invention has utility in operating rotatable members, forinstance, ore feed tables used in connection with stamp mills.

Such embodiment of the invention is shown in the drawings, wherein,-

Figure 1 isa front view; and Fig. 2 a side view of an ore feeder; Fig. 3is a plan on the line IIIIII of Fig. 4 showing the table engagingdevice; Fig. 4 is a section on the line IVIV of Fig. 3; Fig. 5 is adetail on enlarged scale of the engaging or grip device.

The table 1 of the ore feeder is mounted as usual, inclined to its axison the stem 2. The stem 2 is supported in the frame 3. Feeding the oredown to the table is the inclined chute or hopper 4. Mounted on theframe 3 is the bar 5 adjustably held by the bar 6 to regulate the amountof ore fed to the table. Projecting from the under side of the table 1is the annu lar flange '7. Mounted on the frame 3 and frictionallyengaging the flange is a brake, damp or retarder 8. Pivotally mounted onthe stem 2 is the arm 9 having attached thereto the plates 10, looselycarrying the rollers 11. The arm 9 is reciprocated or oscillated by thearm 12 having loose connection therewith. The arm 12 is mounted on therock shaft 13, which rock shaft is carried by the frame 3. Also mountedon the rock shaft 13 is the forked arm 14. The fork of this arm extendsbelow the collar 15 of the stamp stem 16. The arm 9 is normally pulledto release the grip by the spring 17 which is attached to an arm of theframe at one end and to the arm 12 at the other. The amount of rock ofthe shaft 13 may be adjusted by means of the arm 18 thereon which abutsthe adjustable stop or screw 19, which stop is held in its adjustedposition by the lock nut 20. The position of the stop regulates thebackward limit of the pull of the spring 17.

The table 1 is provided at its periphery with the I table.

depending drip bead 100 and the depending flange 7 is located beneaththe table and between the stem 2 and the drip bead 100. By thisconstruction the means for rotating the table are protected from waterand grit which, with the ordinary forms of these ore feeders, interferewith the mechanism for rotating the As the material fed by these tablesis ordinarily Wet, and as the table during the entire revolution thereofhas fed the material over its entire circumference, it is apparent thatat any period in its movement the water and grit which has been retainedby the table and carried to the back side and highest point will tend toflow down towards the front and lower side of the table. The drip bead100 is provided to lead this water and grit to the lower side of thetable and keep it from running down on the under face of the table whereit could accumulate on flange 7 and interfere with the operation of thetable moving grip or ratchet device.

In operation, the stamp stem 16 by its reciprocations carries the collar15 to push down the arm 14, thereby rocking the shaft 13. This throwsthe arm 12 and causes the arm 9, carrying the grip device or tableengaging means, to move the table. As the stamp stem is lifted, thespring 17 retracts the arm 12 and pulls with it the arm 9 permittingrelease of the grip from the table flange so that in the next drop ofthe stamp the table is given a second movement. By the continuation ofthese actions, the table is rotated to gradually feed the ore comingthrough the hopper. To prevent over-running of the table or backwardmovement, a brake or retarder is applied to engage the flange of thetable.

What is claimed and it is desired to ters Patent is:

The combination with table therebelow, said table being providedadjacent its periphery with a drip bead, means for supporting saidtable, said table being provided with means located on the under sidethereof between said drip bead and said supporting means adapted to beengaged by means for rotating said table.

In testimony whereof I aflix my signature in presence of two witnesses.

secure by Let- GRANT B. SHIPLEY.

Witnesses:

.ToirN DAY, .Tr., Gno. E. KIRK.

a chute, of an inclined rotatable

